hjl.tools added a comment.

In https://reviews.llvm.org/D22045#508648, @aaron.ballman wrote:

> In https://reviews.llvm.org/D22045#508644, @hjl.tools wrote:
>
> > In https://reviews.llvm.org/D22045#506996, @joerg wrote:
> >
> > > For what it is worth, this certainly seems to be misnamed. By nature, if 
> > > it doesn't preserve at least the stack pointer, there is no way to 
> > > recover on return, right?
> >
> >
> > This is the best name we came up with and has been implemented in GCC.
>
>
> What version of GCC supports this attribute? I tried 6.1.0 and it is unknown 
> there.


It is implemented in GCC 7.


https://reviews.llvm.org/D22045



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